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Computer Science

What uniquely identifies a row in a table? a. Index b. Column c. Primary key d. Tuple

Oracle 12c: SQL

3rd Edition

ISBN:9781305251038

Author:Joan Casteel

Publisher:Joan Casteel

Chapter3: Table Creation And Management

Section: Chapter Questions

Problem 6RQ: What happens to the existing rows of a table if the DEFAULT value of a column is changed?

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Concept explainers

SQL Query

Structured Query Language is the full form of SQL. It is one of the standard languages to deal with the relational database. It is used to insert, update, delete, and search the records stored in a RDBMS. The relational databases are created and managed by using SQL.

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What uniquely identifies a row in a table?

a. Index

b. Column

c. Primary key

d. Tuple

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